CN213790581U - SCR deNOx systems non-maintaining dust collector in advance - Google Patents
SCR deNOx systems non-maintaining dust collector in advance Download PDFInfo
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- CN213790581U CN213790581U CN202021803808.0U CN202021803808U CN213790581U CN 213790581 U CN213790581 U CN 213790581U CN 202021803808 U CN202021803808 U CN 202021803808U CN 213790581 U CN213790581 U CN 213790581U
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- movable filter
- flue
- scraping arm
- dust
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Abstract
The utility model relates to a SCR deNOx systems non-maintaining dust collector in advance, include: the movable filter screen is positioned in the flue at the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen is movably connected with the inner wall of the flue; the filter screen driving mechanism is used for driving the movable filter screen to move and is positioned outside the flue; the ash bucket is positioned on the front side of the movable filter screen and connected with the flue. The motor of the utility model drives the movable filter screen to move through the first transmission disc, the connecting rod and the second transmission disc, so that large-particle dust attached to the net surface can be shaken off and fall into the dust hopper, the mesh blockage caused by the attached dust is effectively avoided, and the filter screen does not need to be cleaned regularly; the scraping arm scrapes off dust which is not shaken off while swinging, and the cleanliness of the net surface is further enhanced. The mode saves labor cost, improves production efficiency and reduces environmental pollution.
Description
Technical Field
The utility model relates to a denitration device technical field especially relates to a SCR deNOx systems non-maintaining dust collector in advance.
Background
In the SCR denitration system, if the flue gas is directly introduced into the reactor, the dust with larger particles in the flue gas will adhere to the surface of the catalyst, causing catalyst poisoning, and therefore, the flue gas needs to be pre-dedusted before entering the reactor, that is, the large particle dust in the flue gas is removed. The filter screen that adopts to put to one side among the prior art filters the flue gas more, and this kind of mode needs frequently to shut down and carries out the cleaning work of filter screen, and not only the human cost is higher, can cause certain pollution, has still reduced production efficiency.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide a SCR deNOx systems non-maintaining dust collector in advance.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a SCR deNOx systems non-maintaining dust collector in advance, includes:
the movable filter screen is positioned in the flue at the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen is movably connected with the inner wall of the flue;
the filter screen driving mechanism is used for driving the movable filter screen to move and is positioned outside the flue;
the ash bucket is positioned on the front side of the movable filter screen and connected with the flue.
Furthermore, the middle part of the movable filter screen is respectively connected with the inner side walls of the flues at two sides in a rotating way.
Furthermore, the filter screen driving mechanism comprises a motor, an output shaft of the motor is fixedly provided with a first transmission disc, one end of a rotating shaft of the movable filter screen extends out of the flue, the outer end of the rotating shaft of the movable filter screen is fixedly provided with a second transmission disc, the first transmission disc is connected with the second transmission disc through a connecting rod, and two ends of the connecting rod are respectively hinged with the eccentric positions of the first transmission disc and the second transmission disc.
Furthermore, the movable filter screen is provided with a scraping arm for scraping dust attached to the surface of the movable filter screen, one end of the scraping arm is rotatably connected with the movable filter screen frame, and the scraping arm is driven by a scraping arm driving mechanism.
Further, the scraping arm driving mechanism is a scraping arm driving motor, the scraping arm driving motor is fixedly connected with the movable filter screen frame, and the output end of the scraping arm driving motor is connected with a rotating shaft of the scraping arm.
Further, scrape arm actuating mechanism and include the fixed gear, fixed gear and flue inner wall fixed connection, the fixed gear sets up with the axle center with the pivot of activity filter screen, scrapes the pivot of arm and has set firmly moving gear, and moving gear and fixed gear meshing are conical gear.
Furthermore, the movable filter screen is connected with the flue in a sliding mode along the extending direction of the movable filter screen.
Furthermore, the filter screen driving mechanism comprises a motor, an output shaft of the motor is fixedly provided with a first transmission disc, one end of the movable filter screen is fixedly provided with a connecting handle, the connecting handle is connected with the first transmission disc through a connecting rod, and two ends of the connecting rod are respectively hinged with the connecting handle and the first transmission disc.
Furthermore, the front side of the movable filter screen is provided with a scraping arm, two ends of the scraping arm are respectively connected with the inner walls of the flues at two sides, and the scraping arm is attached to the screen surface of the movable filter screen.
Further, the inner wall of the flue is provided with a sliding groove in a matched mode with the scraping arm, the scraping arm is connected with the sliding groove in a sliding mode, and a spring used for pressing the scraping arm to the net surface of the movable filter screen is arranged in the sliding groove.
The utility model has the advantages that: the motor of the utility model drives the movable filter screen to move through the first transmission disc, the connecting rod and the second transmission disc, so that large-particle dust attached to the net surface can be shaken off and fall into the dust hopper, the mesh blockage caused by the attached dust is effectively avoided, and the filter screen does not need to be cleaned regularly; the scraping arm scrapes off dust which is not shaken off while swinging, and the cleanliness of the net surface is further enhanced. The mode saves labor cost, improves production efficiency and reduces environmental pollution.
Drawings
FIG. 1 is a front view of the first embodiment;
FIG. 2 is a left side sectional view of the first embodiment;
FIG. 3 is a right side view of the first embodiment;
FIG. 4 is a front view of the second embodiment;
FIG. 5 is a left side sectional view of the second embodiment;
FIG. 6 is an enlarged view taken at A in FIG. 5;
in the figure: 1-movable filter screen; 11-a scraper arm; 12-a wiper arm drive mechanism; 121-fixed gear; 122-moving gear; 13-a chute; 14-a spring; 2-flue; 3-a filter screen driving mechanism; 31-a motor; 32-a first transmission disc; 33-a second transmission disc; 34-a connecting rod; 35-a connecting handle; 4-ash bucket;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
example one
As shown in the figure, a SCR deNOx systems non-maintaining dust collector in advance includes:
the movable filter screen 1 is positioned in a flue 2 at the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen 1 is movably connected with the inner wall of the flue 2;
the filter screen driving mechanism 3 is used for driving the movable filter screen 1 to move, and the filter screen driving mechanism 3 is positioned outside the flue 2;
the ash bucket 4 is positioned on the front side of the movable filter screen 1, and the ash bucket 4 is connected with the flue 2.
Furthermore, the middle part of the movable filter screen 1 is respectively connected with the inner side walls of the flues 2 at two sides in a rotating way.
Furthermore, the filter screen driving mechanism 3 comprises a motor 31, a first transmission disc 32 is fixedly arranged on an output shaft of the motor 31, one end of a rotating shaft of the movable filter screen 1 extends out of the flue 2, a second transmission disc 33 is fixedly arranged at the outer end of the rotating shaft, the first transmission disc 32 is connected with the second transmission disc 33 through a connecting rod 34, and two ends of the connecting rod 34 are respectively hinged with the first transmission disc 32 and the second transmission disc 33 in eccentric positions.
Furthermore, the movable filter screen 1 is provided with a scraping arm 11 for scraping dust attached to the surface of the movable filter screen 1, one end of the scraping arm 11 is rotatably connected with the movable filter screen 1 frame, and the scraping arm 11 is driven by a scraping arm driving mechanism 12.
Further, the arm-scraping driving mechanism 12 includes a fixed gear 121, the fixed gear 121 is fixedly connected with the inner wall of the flue 2, the fixed gear 121 is coaxially disposed with the rotating shaft of the movable filter screen 1, the rotating shaft of the arm-scraping 11 is fixedly provided with a moving gear 122, the moving gear 122 is engaged with the fixed gear 121, and both the moving gear 122 and the fixed gear 121 are conical gears.
When the utility model is used, large particle dust in the flue gas is filtered by the movable filter screen 1 and gathered on the screen surface around the mesh, the motor 31 rotates, the movable filter screen 1 is driven to swing in a small range through the first transmission disc 32, the connecting rod 34 and the second transmission disc 33, so that the large particle dust attached to the screen surface is shaken off and falls into the dust hopper 4, the mesh is effectively prevented from being blocked by the attached dust, and the filter screen does not need to be cleaned regularly; the scraping arm 11 scrapes off dust which is not shaken off while swinging, and the cleanliness of the net surface is further enhanced. The maintenance-free flue gas filtering mode cancels the regular maintenance time of the filter screen, thereby saving the labor cost, improving the production efficiency and reducing the pollution to the environment.
Example two
As shown in the figure, a SCR deNOx systems non-maintaining dust collector in advance includes:
the movable filter screen 1 is positioned in a flue 2 at the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen 1 is movably connected with the inner wall of the flue 2;
the filter screen driving mechanism 3 is used for driving the movable filter screen 1 to move, and the filter screen driving mechanism 3 is positioned outside the flue 2;
the ash bucket 4 is positioned on the front side of the movable filter screen 1, and the ash bucket 4 is connected with the flue 2.
Furthermore, the movable filter screen 1 is connected with the flue 2 in a sliding manner along the extending direction of the movable filter screen 1.
Further, the filter screen driving mechanism 3 comprises a motor 31, a first transmission disc 32 is fixedly arranged on an output shaft of the motor 31, a connecting handle 35 is fixedly arranged at one end of the movable filter screen 1, the connecting handle 35 is connected with the first transmission disc 32 through a connecting rod 34, and two ends of the connecting rod 34 are respectively hinged to the connecting handle 35 and the first transmission disc 32.
Furthermore, the front side of the movable filter screen 1 is provided with a scraping arm 11, two ends of the scraping arm 11 are respectively connected with the inner walls of the flues 2 at two sides, and the scraping arm 11 is attached to the screen surface of the movable filter screen 1.
Further, the inner wall of the flue 2 is provided with a sliding groove 13 in cooperation with the scraping arm 11, the scraping arm 11 is connected with the sliding groove 13 in a sliding manner, and a spring 14 for pressing the scraping arm 11 to the net surface of the movable filter screen 1 is arranged in the sliding groove 13.
When the utility model is used, large particle dust in the flue gas is filtered by the movable filter screen 1 and gathered on the screen surface around the mesh, the motor 31 rotates, and the movable filter screen 1 is driven to slide back and forth through the first transmission disc 32 and the connecting rod 34, so that the large particle dust attached to the screen surface is shaken off and falls into the dust hopper 4, the mesh is effectively prevented from being blocked by the attached dust, and the filter screen does not need to be cleaned regularly; the scraping arm 11 scrapes off dust which is not shaken off while swinging, and the cleanliness of the net surface is further enhanced. The maintenance-free flue gas filtering mode cancels the regular maintenance time of the filter screen, thereby saving the labor cost, improving the production efficiency and reducing the pollution to the environment.
EXAMPLE III
The utility model provides a SCR deNOx systems non-maintaining dust collector in advance, includes:
the movable filter screen 1 is positioned in a flue 2 at the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen 1 is movably connected with the inner wall of the flue 2;
the filter screen driving mechanism 3 is used for driving the movable filter screen 1 to move, and the filter screen driving mechanism 3 is positioned outside the flue 2;
the ash bucket 4 is positioned on the front side of the movable filter screen 1, and the ash bucket 4 is connected with the flue 2.
Furthermore, the middle part of the movable filter screen 1 is respectively connected with the inner side walls of the flues 2 at two sides in a rotating way.
Furthermore, the filter screen driving mechanism 3 comprises a motor 31, a first transmission disc 32 is fixedly arranged on an output shaft of the motor 31, one end of a rotating shaft of the movable filter screen 1 extends out of the flue 2, a second transmission disc 33 is fixedly arranged at the outer end of the rotating shaft, the first transmission disc 32 is connected with the second transmission disc 33 through a connecting rod 34, and two ends of the connecting rod 34 are respectively hinged with the first transmission disc 32 and the second transmission disc 33 in eccentric positions.
Furthermore, the movable filter screen 1 is provided with a scraping arm 11 for scraping dust attached to the surface of the movable filter screen 1, one end of the scraping arm 11 is rotatably connected with the movable filter screen 1 frame, and the scraping arm 11 is driven by a scraping arm driving mechanism 12.
Further, the scraping arm driving mechanism 12 is a scraping arm driving motor, the scraping arm driving motor is fixedly connected with the frame of the movable filter screen 1, and the output end of the scraping arm driving motor is connected with a rotating shaft of the scraping arm 11.
When the utility model is used, large particle dust in the flue gas is filtered by the movable filter screen 1 and gathered on the screen surface around the mesh, the motor 31 rotates, the movable filter screen 1 is driven to swing in a small range through the first transmission disc 32, the connecting rod 34 and the second transmission disc 33, so that the large particle dust attached to the screen surface is shaken off and falls into the dust hopper 4, the mesh is effectively prevented from being blocked by the attached dust, and the filter screen does not need to be cleaned regularly; the scraping arm 11 scrapes off dust which is not shaken off while swinging, and the cleanliness of the net surface is further enhanced. The maintenance-free flue gas filtering mode cancels the regular maintenance time of the filter screen, thereby saving the labor cost, improving the production efficiency and reducing the pollution to the environment.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a SCR deNOx systems non-maintaining dust collector in advance which characterized in that includes:
the movable filter screen (1) is positioned in a flue (2) on the front side of the SCR denitration system and used for filtering large-particle dust in flue gas, and the movable filter screen (1) is connected with the flue (2) in a sliding manner along the extending direction of the movable filter screen (1);
the filter screen driving mechanism (3) is used for driving the movable filter screen (1) to move, and the filter screen driving mechanism (3) is positioned on the outer side of the flue (2);
the ash bucket (4) is positioned on the front side of the movable filter screen (1), and the ash bucket (4) is connected with the flue (2).
2. The maintenance-free pre-dedusting device of the SCR denitration system according to claim 1, wherein the filter screen driving mechanism (3) comprises a motor (31), a first transmission disc (32) is fixedly arranged on an output shaft of the motor (31), a connecting handle (35) is fixedly arranged at one end of the movable filter screen (1), the connecting handle (35) is connected with the first transmission disc (32) through a connecting rod (34), and two ends of the connecting rod (34) are respectively hinged with the connecting handle (35) and the first transmission disc (32).
3. The maintenance-free pre-dedusting device of the SCR denitration system according to claim 2, wherein a scraping arm (11) is arranged at the front side of the movable filter screen (1), two ends of the scraping arm (11) are respectively connected with the inner walls of the flues (2) at two sides, and the scraping arm (11) is attached to the screen surface of the movable filter screen (1).
4. The maintenance-free pre-dedusting device of the SCR denitration system according to claim 3, wherein a chute (13) is arranged on the inner wall of the flue (2) and the scraping arm (11) in a matching manner, the scraping arm (11) is slidably connected with the chute (13), and a spring (14) for pressing the scraping arm (11) to the net surface of the movable filter screen (1) is arranged in the chute (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803808.0U CN213790581U (en) | 2020-08-26 | 2020-08-26 | SCR deNOx systems non-maintaining dust collector in advance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803808.0U CN213790581U (en) | 2020-08-26 | 2020-08-26 | SCR deNOx systems non-maintaining dust collector in advance |
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| CN213790581U true CN213790581U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013921A (en) * | 2022-05-18 | 2022-09-06 | 北京市金龙腾装饰股份有限公司 | Decorate construction and use air purification device based on green building |
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2020
- 2020-08-26 CN CN202021803808.0U patent/CN213790581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013921A (en) * | 2022-05-18 | 2022-09-06 | 北京市金龙腾装饰股份有限公司 | Decorate construction and use air purification device based on green building |
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